28828228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 59976000

約数和(自身を除く): 31147772

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 101, 143, 202, 286, 404, 499, 572, 998, 1111, 1313, 1996, 2222, 2626, 4444, 5252, 5489, 6487, 10978, 12974, 14443, 21956, 25948, 28886, 50399, 57772, 71357, 100798, 142714, 201596, 285428, 554389, 655187, 1108778, 1310374, 2217556, 2620748, 7207057, 14414114, 28828228]

約数ペア:

[(1, 28828228), (2, 14414114), (4, 7207057), (11, 2620748), (13, 2217556), (22, 1310374), (26, 1108778), (44, 655187), (52, 554389), (101, 285428), (143, 201596), (202, 142714), (286, 100798), (404, 71357), (499, 57772), (572, 50399), (998, 28886), (1111, 25948), (1313, 21956), (1996, 14443), (2222, 12974), (2626, 10978), (4444, 6487), (5252, 5489)]